On 3/23/23 7:47 AM, Michael S. Tsirkin wrote:
> On Thu, Mar 23, 2023 at 12:50:49PM +0100, Christian Brauner wrote:
>> On Thu, Mar 23, 2023 at 07:43:04AM -0400, Michael S. Tsirkin wrote:
>>> On Thu, Mar 23, 2023 at 11:44:45AM +0100, Christian Brauner wrote:
>>>> On Thu, Mar 23, 2023 at 03:37:19AM -0400, Michael S. Tsirkin wrote:
>>>>> On Wed, Mar 22, 2023 at 01:56:05PM -0500, Mike Christie wrote:
>>>>>> vhost_task_create is supposed to return the vhost_task or NULL on
>>>>>> failure. This fixes it to return the correct value when the allocation
>>>>>> of the struct fails.
>>>>>>
>>>>>> Fixes: 77feab3c4156 ("vhost_task: Allow vhost layer to use copy_process") # mainline only
>>>>>> Reported-by: syzbot+6b27b2d2aba1c80cc13b@xxxxxxxxxxxxxxxxxxxxxxxxx
>>>>>> Signed-off-by: Mike Christie <michael.christie@xxxxxxxxxx>
>>>>>
>>>>> Acked-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
>>>>>
>>>>> The affected patch is not upstream yet, right?
>>>>> I don't know if the tree in question allows rebases - linux-next
>>>>> does. So ideally it would be squashed to avoid issues during bisect.
>>>>> Still it's error path so I guess not a tragedy even without squashing.
>>>>
>>>> I tend to not rebase once stuff has been in linux-next but I make
>>>> exceptions as long as it's before -rc4. For now I've put the patch on
>>>> top (see the other mail I sent) but if it's really important I can
>>>> squash it after the weekend (I'll be mostly afk until then.).
>>>
>>> Hard to say how important, but I'd prefer that, yes.
>>
>> Ok, fold the fixup into
>>
>> e297cd54b3f8 vhost_task: Allow vhost layer to use copy_process
>>
>> the series is now at:
>>
>> tree: git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux.git
>> branch: kernel.user_worker
>>
>> 1a5f8090c6de vhost: move worker thread fields to new struct
>> e297cd54b3f8 vhost_task: Allow vhost layer to use copy_process
>> 89c8e98d8cfb fork: allow kernel code to call copy_process
>> 094717586bf7 fork: Add kernel_clone_args flag to ignore signals
>> 11f3f500ec8a fork: add kernel_clone_args flag to not dup/clone files
>> 54e6842d0775 fork/vm: Move common PF_IO_WORKER behavior to new flag
>> c81cc5819faf kernel: Make io_thread and kthread bit fields
>> 73e0c116594d kthread: Pass in the thread's name during creation
>> cf587db2ee02 kernel: Allow a kernel thread's name to be set in copy_process
>> e0a98139c162 csky: Remove kernel_thread declaration
>
> Thanks a lot! Mike could you give it a spin to make sure all is well?
Reviewed and tested the patches and it's all ok.
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